Relaxation of the lower vibrational states of NO(X2Π) in collisions with NO and Ar
✍ Scribed by K. Glänzer
- Publisher
- Elsevier Science
- Year
- 1977
- Tongue
- English
- Weight
- 653 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0301-0104
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A two-laser (IR overtone pump and UV laser-induced fluorescence probe) technique has been used to measure vibrational relaxation for NO(X \*II, v= 3) colliding with NO, 02, and CH4 at 295 K. The total removal rate coefficients are: (3.26 k 0.24) X 10-'2cm3s-'forNO,(1.46f0.15)~10-'3cm3s-'for02,and(1.
Rate constants are reported for the state-specific vibrational relaxation of O2 (8 d v< 11) by NOz and O2 at 295 K. O2 is formed in vibrational levels up to II= 11 by the reaction of 0( 3P) atoms with NO1. The oxygen atoms were created by partial photolysis of NOz at 355 nm using a frequency-tripled
Photodissociation of jet-cooled NOCl at 355 and 499.4 nm proceeds via parallel and perpendicular transitions, respectively, and the dissociation is fast and direct. State-specific NO spin-orbit and A-doublet population ratios are observed. At 355 nm, [ NO( \*II& ] a [N0(2111,2) 1, and the Adoublet c